#include <iostream>
#include <string>
#include <vector>
using namespace std;
int main() {
  char cval;
  int sum_a = 0, sum_e = 0, sum_i = 0, sum_o = 0,
      sum_u = 0; //变量的定义要简洁并且可以看出含义，切勿使用简单的a,b,c...
  while (cin >> cval) {
    if (cval == 'a') {
      sum_a++;
    } else if (cval == 'e') {
      sum_e++;
    } else if (cval == 'i') {
      sum_i++;
    } else if (cval == 'o') {
      sum_o++;
    } else if (cval == 'u') {
      sum_u++;
    }
  }
  cout << "元音字母a的个数为：" << sum_a << endl;
  cout << "元音字母e的个数为：" << sum_e << endl;
  cout << "元音字母i的个数为：" << sum_i << endl;
  cout << "元音字母o的个数为：" << sum_o << endl;
  cout << "元音字母u的个数为：" << sum_u << endl;
  return 0;
}